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CAP vs. UHMW-PE

Both CAP and UHMW-PE are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is CAP and the bottom bar is UHMW-PE.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.2
0.94
Elongation at Break, % 35 to 50
400
Specific Heat Capacity, J/kg-K 1480
1750
Strength to Weight: Axial, points 6.5 to 10
14
Strength to Weight: Bending, points 17 to 23
32
Tensile Strength: Ultimate (UTS), MPa 28 to 45
49
Thermal Conductivity, W/m-K 0.25
0.41
Thermal Diffusivity, mm2/s 0.14
0.25
Thermal Expansion, µm/m-K 14
180
Vicat Softening Temperature, °C 85 to 110
75